Sang swam 2,000 meters. lu ran 3 times farther. how far did lu run?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

How can you tell when x and y are not directly proportional?